Home / 2,643,323,609-3,965,437,131.06-1,089,765,676.64

Finding the Fourth Proportional to 2,643,323,609, 3,965,437,131.06 and 1,089,765,676.64

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Solution

The fourth proportional to 2,643,323,609, 3,965,437,131.06 and 1,089,765,676.64 is: 1,634,834,745.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643,323,609 : 3,965,437,131.06 = 1,089,765,676.64 : x
  2. Step 2: Convert to fraction form
    2,643,323,609/3,965,437,131.06 = 1,089,765,676.64/x
  3. Step 3: Cross multiply
    2,643,323,609x = 3,965,437,131.06 × 1,089,765,676.64
  4. Step 4: Simplify right side
    2,643,323,609x = 4,321,397,278,302,981,632
  5. Step 5: Solve for x
    x = 4,321,397,278,302,981,632/2,643,323,609
  6. Step 6: Final answer
    x = 1,634,834,745.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.